config.assets.compile=true in README

[fschwahn]

Hi, I've got a question: you say "Make sure asset caching is configured correctly" and suggest setting config.assets.compile to true in production. Is this setting really required to use heroku_rails_deflate? I don't understand what this setting has to do with delivering compressed assets.

I deactivated the asset precompilation and everything seems to work as before, but I want to be sure that I don't run into issues down the road.

Thanks! Fabian